Electrode Carriers/Collectors TRIZ Cases

Composite electrode layers paired with aqueous electrolyte enable high ionic conductivity, resolving the trade-off between power output and energy density.

A battery electrode piece uses a thermoplastic polymer and high-temperature organic binder to form a protective insulating layer on the current collector.

Mesoporous carbon structures host sulfur to enhance charge transfer, preventing polysulfide shuttle and capacity fading.

A positive electrode mixture layer combines organic and water-based binder powders to maintain adhesive strength without solvent contact.

Dual carbon powders with controlled Raman ratios create a conductive network that restores discharge capacity at high rates.

Varying the porosity of a porous metal current collector in its thickness direction improves ion diffusivity and reduces internal resistance.

Side projections on silicon electrode particles maintain electrolyte space and alleviate expansion stress during charge cycles.

A front end indicator aligns active material layers on both collector surfaces, eliminating positional displacement between opposing coating edges.

Simultaneous pulverization of silicon and copper oxide forms composite materials that reduce volume fluctuations during cycling.

A fully inorganic molten salt catholyte enables redox activity below 100°C, eliminating flammable organic solvents and thermal runaway hazards.

Amorphous nickel-phosphorus coatings increase hydrogen overvoltage on nickel surfaces, preventing self-discharge and capacity loss during battery reversal.

Graphene films coat metal foils to prevent electrolyte corrosion and lower contact resistance with electrode active materials.

Lithium fluorosilicate anodes inhibit volume expansion during cycling to prevent structural breakage and electrolyte decomposition.

A metallic fabric electrode uses nickel-coated fibers with protrusions to attach active material.

Shape memory alloy reinforcements accommodate electrode volume changes while maintaining electrical continuity in lithium-ion batteries.

An immobilized K-Na alloy anode suppresses dendrite growth in organic electrolytes, preventing internal short-circuits while maintaining high energy density.

A dual-layer positive electrode uses a polymer-rich base layer to mask metal burrs and prevent internal short circuits.

Uniform vapor grown carbon fiber dispersion in lithium battery anodes prevents 10 μm agglomerates, maintaining conductivity paths for extended cycle life.

Vinylene carbonate solvent decomposes to form a protective coating film on the negative electrode surface.

A gradient conductive resin current collector suppresses resistance increase and prevents large current generation during heat exposure.

A metal nanowire electrode incorporates a conductive graphene layer that facilitates electron movement while mitigating volume expansion during charging cycles.

A secondary battery electrode layers monoclinic niobium titanium composite oxide beneath a lithium titanate spinel layer.

A negative electrode sheet uses a conductive fiber cloth current collector featuring radially arranged needle-shaped protrusions to anchor active materials.

A lithium-ion battery uses a third active material to enable safe discharge near zero volts without damaging the negative electrode.

Porous current collectors embed semi-solid electrode suspensions to reduce internal resistance and prevent delamination during cycling.

Welding the end cap before electrolyte fill replaces crimping, maintaining hermetic sealing while maximizing internal volume for energy capacity.

Controlled surface area ratios and friction coefficients prevent slip and tear in thin copper foils, maintaining charge-discharge efficiency.

Duplex cathode structures trap dissolved polysulfides in lithium-sulfur batteries, preventing shuttle effects that degrade cycle life.

Forming recesses at defective portions of long sheet metal porous bodies prevents crack propagation and reduces manufacturing losses during mass production.

A three-dimensional porous electrode architecture uses conformal deposition on conductive scaffolds to enable high power densities in microbatteries.

Roughened aluminum current collectors melt to block short-circuit paths, reducing Joule heating in non-aqueous electrolyte batteries.

A mixed transition metal silicate cathode uses a flake-like structure to distribute lithium ions, boosting capacity while preventing electrode degradation.

NiO-decorated nickel nanowires grown on conductive foam resolve conductivity and volume expansion issues in lithium ion battery anodes.

A porous carbon body holds lithium metal within its pores to create uniform electron distribution pathways across the electrode surface.

Specifying brass with 0.015 mm to 0.054 mm crystal particle size minimizes hydrogen gas generation during overdischarge, preventing electrolyte leakage.

A crosslinked polymer binder enhances electrode adhesiveness through controlled water swelling at specific pH levels.

A lithium secondary battery electrode incorporates a hygroscopic material within active material layer pores to absorb moisture from the electrolyte solution.

A composite negative electrode active material combines graphitizable and low crystalline carbon to enhance lithium ion absorption efficiency.

Carbon nanotubes form conductive channels that reduce internal resistance and prevent charge accumulation in the electrode active material layer.

A polyimide resin binder adheres to silicon particles and current collectors.

High energy milling induces a core-shell phase transition in lithium manganese oxide to predominantly form (440) crystal planes.

Graded binder distribution in a primer layer prevents peeling during charge cycles, ensuring stable cycle characteristics and vibration resistance.

A three-dimensional porous composite anode structure embeds carbon nanotubes within metal ligaments to enhance electrical conductivity and mechanical strength.

Widened collector end portions support multilayer active material structures, preventing material loss at cut edges that causes short-circuiting.

Geometrically configured conductive buffer layers accommodate silicon anode volume expansion, preventing electrode delamination and extending cycle life.

Compressing a metal-coated fabric substrate to less than twice the final thickness retains active material and prevents peeling during charge cycles.

Humic acid-derived conductive foam provides a porous scaffold for sulfur impregnation, resolving low conductivity and polysulfide dissolution issues.

Graphene patches seal carbon shell pinholes in yolk-shell anodes, preventing electrolyte ingress and reducing irreversible capacity loss.

A lithium ion battery uses a porous coating layer between the positive electrode and inorganic solid electrolyte to maintain ionic conduction.